Home / 8,400.90-11,592.56-4,864.34

Finding the Fourth Proportional to 8,400.90, 11,592.56 and 4,864.34

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Solution

The fourth proportional to 8,400.90, 11,592.56 and 4,864.34 is: 6,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.90 : 11,592.56 = 4,864.34 : x
  2. Step 2: Convert to fraction form
    8,400.90/11,592.56 = 4,864.34/x
  3. Step 3: Cross multiply
    8,400.90x = 11,592.56 × 4,864.34
  4. Step 4: Simplify right side
    8,400.90x = 56,390,107.51
  5. Step 5: Solve for x
    x = 56,390,107.51/8,400.90
  6. Step 6: Final answer
    x = 6,712.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.